All is riddle, and the key to a riddle is another riddle.

You can not help men permanantly by doing for them what they could do for themselves

Everything has been thought of before, but the difficulty is to think of it again

Originality is the art of Concealing your Source.

If pain could have cured us, we should have long ago been saved.

Itisn't that they can't see the solution. It's that they can't see the problem.

I have discovered the art of deceiving diplomats. I speakthe truth, and they never believe me.

Before youbuild a better mousetrap, make sure you have some mice out there.

Tell meand I'll forget. Show me, and I may not remember. Involve me, and I'llunderstand.

The leaders who work most effectively, it seems to me,never say ‘I.’ And that's not because they have trainedthemselves not to say ‘I.’ They don't think ‘I.’ Theythink ‘we’; they think ‘team.’ They understand theirjob to be to make the team function. They

A shipin harbor is safe, but that is not what ships arebuilt for.

Onemust talk little and listen much.